The correct answers are: B) the dystopian world that Gregor enters as an insect, and C) Gregor's sudden transformation into a giant insect.
A Kafkaesque situation is a nightmarish one, and also strongly surreal, so in that sense, the options that relate the most to said expression are the ones that have to do with dream-like things, like the dystopian world and Gregor becoming an insect.
"The flight was postponed by bad weather for which I had a ticket". The sentence should read, "The flight for which I had a ticket was postponed by bad weather."
Answer:
Walking at the speed of light (,) so that I would not be late.
2. On the morning of my driving test,
3. When my mother married my father,
Explanation: